export const browserApiBase = process.env.NEXT_PUBLIC_API_BASE_URL || "/api/v1";
const internalApiBase = process.env.INTERNAL_API_URL || "http://api:4000/api/v1";

export async function serverFetch<T>(path: string): Promise<T> {
  const response = await fetch(`${internalApiBase}${path}`, {
    cache: "no-store"
  });

  if (!response.ok) {
    throw new Error(`API error: ${response.status}`);
  }

  return response.json() as Promise<T>;
}

export async function browserFetch<T>(path: string, options?: RequestInit): Promise<T> {
  const headers = new Headers(options?.headers);
  const isFormData = typeof FormData !== "undefined" && options?.body instanceof FormData;
  if (options?.body && !isFormData && !headers.has("Content-Type")) {
    headers.set("Content-Type", "application/json");
  }

  const response = await fetch(`${browserApiBase}${path}`, {
    ...options,
    credentials: "include",
    cache: "no-store",
    headers
  });

  const data = await response.json().catch(() => ({}));
  if (!response.ok) {
    const error = new Error(data.error || `Request failed: ${response.status}`) as Error & { status?: number };
    error.status = response.status;
    throw error;
  }
  return data as T;
}